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Minor enhancement to build process notes for ARM platforms.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166769 91177308-0d34-0410-b5e6-96231b3b80d8
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David Tweed 2012-10-26 12:09:47 +00:00
parent 975bc072ae
commit 6f20194cdb
1 changed files with 15 additions and 2 deletions
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17
docs/HowToBuildOnARM.rst
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@ -27,8 +27,21 @@ on the ARMv6 and ARMv7 architectures and may be inapplicable to older chips.
#. If you want to run ``make
check-all`` after building LLVM/Clang, to avoid false alarms (eg, ARCMT
failure) please use the following configuration:
failure) please use at least the following configuration:
.. code-block:: bash
$ ../$LLVM_SRC_DIR/configure --with-abi=aapcs
$ ../$LLVM_SRC_DIR/configure --with-abi=aapcs-vfp
#. The most popular linaro/ubuntu OS's for ARM boards, eg, the
Pandaboard, have become hard-float platforms. The following set
of configuration options appears to be a good choice for this
platform:
.. code-block:: bash
./configure --build=armv7l-unknown-linux-gnueabihf
--host=armv7l-unknown-linux-gnueabihf
--target=armv7l-unknown-linux-gnueabihf --with-cpu=cortex-a9
--with-float=hard --with-abi=aapcs-vfp --with-fpu=neon
--enable-targets=arm --disable-optimized --enable-assertions